.container {
    width: 100%;
    height: 100vh;
    display: grid;
    grid-template-areas:
        "a a a"
        "b c c"
        "b d d";
    grid-template-rows: 100px 1fr 150px;
    /* 3.各区域 宽高设置 */
    grid-template-columns: 250px 1fr 1fr;
}


.head {
    grid-area: a;
    display: flex;
    flex-direction: column;
    background-color: #292321;
    color: white;
    font-size: 32px;
    justify-content: center;
    text-align: center;
    line-height: 100px;
}


.side {
    grid-area: b;
    background-color: rgb(26, 44, 28);
}

/* 侧边栏 */
.side .side_item {
    /*display: block;*/
    display: flex;
    height: 40px;
    line-height: 40px;
    justify-content: center;
    text-align: center;
    color: white;
    border: 1px solid white;
    border-radius: 5px 5px 5px 5px;
    transition: all 0.3s ease-in-out;
    text-decoration: none;
}

/* 覆盖特效 */
.side_item:hover {
    background-color: rgb(216, 202, 202);
    transform: scale(1.1, 1.05);
}

/* 机器人聊天框 */
.botTalkDiv{
    grid-area: c;
    display: flex;
    justify-content: center;
    padding: 50px;
    font:bold;
    font-size: 20px;
}

/* 机器人聊天内容 */
.botTalkContent{
    
}

/* 用户聊天框 */
.userTalkDiv {
    grid-area: d;
    border: solid 1px #000;
    bottom: 5px;
    background-color: gray;
    padding: 10px;
    border: 4px solid #000;
    border-radius: 10px;
    display: grid;
    grid-template-areas:
        "a a c b";
    /* 3.各区域 宽高设置 */
    grid-template-columns:1fr 1fr 20px 150px;
}

.userTalkInput{
    grid-area: a;
    border: 2px solid #000;
    border-radius: 10px;
    font:bold;
    font-size: 20px;
    padding-left: 10px;
    outline: none;
}

.sendButton{
    grid-area: b;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 10px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    padding: 10px 24px;
    transition-duration: 0.4s;
    cursor: pointer;
}